Home / 186,317.97-257,123.42-101,439.69

Finding the Fourth Proportional to 186,317.97, 257,123.42 and 101,439.69

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Solution

The fourth proportional to 186,317.97, 257,123.42 and 101,439.69 is: 139,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,317.97 : 257,123.42 = 101,439.69 : x
  2. Step 2: Convert to fraction form
    186,317.97/257,123.42 = 101,439.69/x
  3. Step 3: Cross multiply
    186,317.97x = 257,123.42 × 101,439.69
  4. Step 4: Simplify right side
    186,317.97x = 26,082,520,016.54
  5. Step 5: Solve for x
    x = 26,082,520,016.54/186,317.97
  6. Step 6: Final answer
    x = 139,989.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.